JP2581920Y2 - Product identification device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for identifying a product, and more particularly, to an apparatus for identifying at least two types of products using a printed circuit board or an identification processing element. It is.

[0002]

2. Description of the Related Art Conventionally, this type of apparatus is provided on at least two or more types of products, with respective sub-printed boards provided for the respective products, and connected to the respective sub-printed boards. It consists of one commonly used main printed circuit board and an identification processing element mounted on the printed circuit board. On the main printed circuit board, the above-mentioned identification processing element is formed by soldering a conductive pattern or the like. Identification was done.

FIG. 6 shows a conventional product identification device, and this device will be described. In FIG.
Is a sub-printed circuit board provided on a product A (not shown). The sub-printed circuit board 1 is provided with a switch element 2 and two conductive patterns G and V. One of the conductive patterns G and V is a GND line, and the other V is a power supply line. At the right end of each line G and V in the figure,
Substantially fan-shaped contact surface 4 formed on the back surface of main printed circuit board 3
The respective contact surfaces 5a and 5b are provided on the sub-printed circuit board 1 for connection with the sub-printed circuit boards 1 and 4b. Each contact surface 4
a, 4b, 5a, and 5b have conductivity.

A conductive pattern 6a and a contact surface 4a for connecting to a substantially fan-shaped contact surface 4a are provided on the back surface of the main printed circuit board 3.
A conductive pattern 6b for connection to the first printed circuit board b is formed, and first to fourth ports 7a to 7d and an identification processing element 8 are provided on the surface of the main printed circuit board 3. One end of each of the ports 7a to 7d is indicated by a circle in the figure.
Are slightly separated from each other at the four locations 9a to 9d, and the first port 7a is
Are connected to the conductive pattern 6b on the back side.

In order to identify the product A (not shown) by the identification processing element 8 through the main printed circuit board 3 and the sub printed circuit board 2 shown in FIG. Soldering is performed on two places 9c and 9d of the mark, and the second port 7b and the fourth port 7d are connected to the first port 7a by this soldering. The second port 7b is connected to the GND line G on the sub-printed board 3 side by the one soldering portion 9d via the first port 4a, the conductive pattern 6a on the back surface, and the one contact surface 4a, 5a.
The fourth port 7d is also connected to the GND line G via the first port 7a, the conductive pattern 6a on the back surface, and the one contact surface 4a, 5a by the other soldering portion 9c.

Therefore, the second port 7b and the fourth port 7d are connected to the GND line G, the connection between the second port 7b and the GND line G, and the connection between the fourth port 7d and the GND
The connection with the D line G is detected by the above-described identification processing element 8 and identified as the product A (not shown).

[0007]

[Problem to be solved by the invention] In addition to the above-mentioned product A,
In order to identify another product B (not shown), the main printed circuit board 3 in FIG. 6 is detached from the sub printed circuit board 1 and connected to a sub printed circuit board provided in another product B. The printed circuit board and the main printed circuit board 3 may be made conductive, but the printed circuit board 1 shown in FIG.
When the same shape as the upper conductive patterns G and V is also formed on the sub-printed circuit board of the product B, soldering is performed so that the identification processing element 8 can be identified as the another product B. I have to start over.

That is, for example, one of the soldering portions 9c and 9d on the main printed circuit board 3 is peeled off, and solder is applied to another portion 9a. The fourth port 7d is connected to the power supply line V on the sub-printed circuit board side via the conductive pattern 6b and the other contact surface 4b, 5b.
In this case, the connection with the second port 7b is maintained while leaving the soldering portion 9d in FIG. 6 as it is.

Therefore, the identification processing element 8 is identified as the product B by the connection between the second port 7b and the GND line G and the connection between the fourth port 7d and the power supply line V. There is a problem in that reattachment is time-consuming. In view of the above problems, the present invention
An object of the present invention is to eliminate the need for an operation such as soldering or an increase in parts and the like when performing identification of a product by changing from one product to the other product, thereby saving labor.

[0010]

According to the present invention, there is provided an identification processing element having a product identification function, and a line formed to be connected to a plurality of terminals of the identification processing element. A main printed circuit board, a power supply line for transmitting an output signal to the identification processing element and a GND line are formed, at least one of which is a sub-printed circuit board composed of a plurality of branched lines for identifying products; A connection member for connecting a line of the main printed circuit board to a power supply line and a GND line of the sub printed circuit board, wherein the main printed circuit board is shared by a plurality of models, and the sub printed circuit board is a plurality of models. In order to solve the problem, a different line is formed for each model in order to specify one model.

[0011]

The sub-printed circuit boards (11, 22) provided on the respective products have different compositions of the circuits (G, V) as shown in FIG. 3 and FIG. Benefits are obtained. When performing identification by switching from one product to the other product, the secondary printed circuit board (22) on the other product side
Then, the main printed circuit board (12) is connected, and the identification processing element (14) is identified as the other product by the composition of the circuit (G, V). Can be eliminated.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 to 5. FIG. FIG. 1 is a perspective view showing a state in which a main printed circuit board 12 is connected to a sub printed circuit board 11 provided on a product A according to an embodiment of the present invention. A switch element 13 is provided on the sub-printed board 11 in the figure, and the switch element 13 is configured to output information of the switch element to the identification processing element 14 on the main printed board 12. .

The right end of the sub-printed circuit board 11 in FIG.
As shown in FIG. 7, four substantially fan-shaped contact surfaces 15a to 15d are formed, and four substantially fan-shaped contact surfaces 16a to 16d are also formed on the back surface of the main printed circuit board 12. Of the respective contact surfaces, the opposed contact surface 15a
And 16a, the contact surfaces 15b and 16b
c and 16c, and the contact surfaces 15d and 16d are connected to each other.
b, the screws 18 are screwed into the female screw portions 19 of the product A, as shown in FIG.
2 is fixed.

FIG. 3 is a diagram for disclosing the composition of the circuit provided on each of the substrates 11 and 12. The sub printed circuit board 11 has three GND lines G as shown on the right side in the figure. Are divided into lines G1 to G3. Among them, the first branch line G1 is connected to the contact surface 15a in FIG. 2, the second branch line G2 is connected to the contact surface 15b in FIG. 2, and the third branch line G3 is connected to FIG. It is connected to the inside contact surface 15c. The power supply line V on the sub printed circuit board 11 is connected to the contact surface 15d in FIG.

On the back side of the main printed circuit board 12, first to fourth conductive patterns 20a to 20d are formed, and the first conductive pattern 20a is connected to the contact surface 16b in FIG. ing. Second conductive pattern 20b
Are connected to the contact surface 16a in FIG. 2, the third conductive pattern 20c is connected to the contact surface 16d in FIG. 2, and the fourth conductive pattern 20d is connected to the contact surface 16c in FIG.

On the surface of the main printed circuit board 12, an identification processing element 14 and respective ports 21a to 21
d is provided, and the first port 21a is connected to the second conductive pattern 20b on the back surface side. The second port 21b is connected to the first conductive pattern 20a,
Port 21c is connected to the third conductive pattern 20c, and the fourth port 21d is connected to the fourth conductive pattern 20d.

In the above configuration, the second port 21b is connected to the GND line G via the first conductive pattern 20a, the respective contact surfaces 16b and 15b, and the second branch line G2. Fourth conductive pattern 20d
The fourth port 21d is connected to the GND line G via the contact surfaces 16c and 15c and the third branch line G3.
Therefore, the identification processing element 14 is determined to be the product A.

FIG. 4 is a top view showing a state where the main printed circuit board 12 is connected to the sub printed circuit board 22 provided on the product B (not shown). Since a circuit pattern is formed on the main printed circuit board 12 in this figure as in FIG. 3, the description is omitted. The sub printed circuit board 22 has G
The ND line G is branched into two lines G1 and G2, and the power supply line V is also branched into two lines V1 and V2. Among these branch lines, the first branch line G1 is connected to the contact surface 15a in FIG. 2, and the second branch line G2 is connected to the contact surface 15b in FIG.
The third branch line V1 is connected to the contact surface 15c in FIG. 2, and the fourth branch line V2 is connected to the contact surface 15c in FIG.
d.

Therefore, the second port 21b is connected to the GND line G via the first conductive pattern 20a, the respective contact surfaces 16b and 15b, and the second branch line G2, and further the fourth port 21b is connected to the fourth line. Since the fourth port 21d is connected to the power supply line V via the conductive pattern 20d, the respective contact surfaces 16c and 15c, and the third branch line V1, the identification processing element 14 is It is determined that there is.

FIG. 5 is a table showing the identification of a product inside the identification processing element 14. If the second port 21b and the fourth port 21d are connected to the GND line G, the product A is determined. And the second port 21b is G
If the fourth port 21d is connected to the power supply line V to the ND line G, it is determined that the product is the product B.
Port 21b is connected to the power supply line V and the fourth port 21d
Is connected to the GND line G, the product C (not shown)
Is determined. Identification processing element 14
Is pre-programmed to read and calculate data corresponding to each of the above products, and the processing inside the element 14 is the same as that according to the present invention and that according to the conventional example. .

[0021]

According to the present invention described above, since each sub-printed circuit board is formed so as to have a different circuit composition, even if the main printed circuit board is connected to the other product-side sub-printed circuit board. According to the composition of the circuit, the discrimination processing element can discriminate the product, so that the work of soldering and the increase of components can be omitted. Also, since there is no need for soldering work, there is no accident such as poor soldering, and there is no need to use special switches and other components, which has the advantage of simplifying the structure. Can be

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a product identification device according to the present invention.

FIG. 2 is an enlarged perspective view showing a connection portion between a sub printed board 11 and a main printed board 12 in FIG.

FIG. 3 shows a sub-printed circuit board 1 provided on a product A (not shown).
FIG. 3 is a top view showing a state when the main printed circuit board 1 and the main printed circuit board 12 are connected.

FIG. 4 shows a sub-printed circuit board 2 provided on a product B (not shown).
FIG. 5 is a top view showing a state when the main printed circuit board 2 is connected to the main printed circuit board 12.

FIG. 5 is a table showing product identification inside the identification processing element 14;

FIG. 6 is a top view showing a conventional product identification device.

[Description of Signs] 11, 22 Sub-printed circuit board, 12 Main printed circuit board 14 Identification processing element, G GND line, V power supply line

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H05K 13/08

Claims (1)

(57) [Scope of request for utility model registration] 1. A main printed circuit board having an identification processing element having a product identification function and having lines formed to be connected to a plurality of terminals of the identification processing element, and transmitting an output signal to the identification processing element. A power supply line and a GND line are formed, at least one of which is a sub-printed circuit board composed of a plurality of branched lines for identifying products, a line of the main printed circuit board, a power supply line of the sub-printed circuit board, and A connection member for connecting to a GND line, wherein the main printed circuit board is shared by a plurality of models, and the sub-printed circuit board is branched differently for each model in order to identify one model from the plurality of models. An apparatus for identifying a product, characterized in that a line is formed.